A brief history of Earth Day: The April 22 Earth Day, was founded by
Senator Gaylord Nelson, and was first organized in 1970 to promote
ecology and respect for life on the planet as well as to encourage
awareness of the growing problems of air, water and soil pollution.

Some relevant posts on my personal blog include Invasive Species, creating a backyard oasis, Celestial Events:
there have been many posts throughout this blog covering these topics
and how they are relevant to our South Miami-Dade Communities. Please
take the time to check a few out.